Marin Bolinas Ridge 1 vs Trek Marlin 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Series 1 6061 Aluminum, 27.5”/29" Wheels, Low Standover, 68 mm BB shell, 135 mm Forged Dropouts, Chainstay Mounted Disc Brakes	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Marin Alloy, 31.8 Bar Bore, 45 mm	Size : XS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 50 mm length ( Size : S - 60 mm length) Size : M - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 70 mm length Size : ML, L - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : XL, XXL - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 90 mm length
Handle Bar	Marin 31.8 Riser, 12 mm Rise, 780 mm Width	Size : XS, S - Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size : M, ML, L, XL, XXL - Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	--	Size : XS - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 80 mm travel Size : S - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 100 mm travel Size : M, ML, L, XL, XXL - SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29'' wheel, 100 mm QR, 100 mm travel
Seatpost	Marin Alloy, 27.2 mm	Size : XS, S - Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size : M - Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length Size : ML, L, XL, XXL - Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	Marin Dual Density	Bontrager XR Endurance Comp, lock-on
Crankset	Shimano FC-TY301, 42/34/24T	Size : XS, S, M - Shimano Tourney TY301, 42/34/24, 170 mm length Size : ML, L, XL, XXL - Shimano Tourney TY301, 42/34/24, 175 mm length
Pedals	Nylon Platform	VP-536 nylon platform
Chain	KMC Z51	KMC Z7, 7 speed
Shifters	Shift Lever : Shimano Tourney 3x7-Speed	Shimano Altus EF500, 7 speed
Saddle	Marin MTB	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA No.10-P	Semi-integrated, 1-1/8''
Derailleur Front	Shimano FD-TX500	Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Derailleur Rear	Shimano Tourney, 7-Speed	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	Formula, 32H	Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135 x 5 mm QR
Hub Rear	Formula, 32H	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	15 g Black Stainless Steel	14g stainless steel
Cassette	SunRace 7-Speed, 11-34T	Shimano TZ500, 14-28, 7 speed
Chainrings	--	1x/2x : 34T, 3x : 42T
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	MTB, 27.5/29 x 2.25"	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	MTB, 27.5/29 x 2.25"	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.00''
Wheel / RIM	Marin, Double Wall Alloy	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Power CX7 Mechanical Disc, Shimano Pad Compatible, 160 mm Rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Rear	Power CX7 Mechanical Disc, Shimano Pad Compatible, 160 mm Rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Brake Lever	Shimano w/ Integrated Shifters	--

Front	SR Suntour XCE Disc, 100 mm Travel, Preload Adjustment, 46 mm Offset	--
Rear	--	--

Colors

--

Matte Trek Black Voodoo Aloha Green Matte Anthracite Magenta

Length	--	--
Weight	--	13.98 kg

Features	- Series 1 Aluminum Frame - 29” OR 27.5” Wheels - Disc Brakes - Trail Ready Components	- Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	Bottom Bracket : Sealed Cartridge Bearings, Square Taper	Max compatible fork travel : 100 mm (XS & S: 490 mm axle-to-crown, M & up: 509 mm axle-to-crown)